Question: Who is the spouse of Katharine Cornell in 1921-1-1?
Paraphrase: In 1921-1-1, who was Katharine Cornell's spouse?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q272086 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1921')) }